// for testing
func main() {
flag.Parse()
log.SetFlags(log.Ltime | log.Lshortfile)
api.Domain = *eshost
response, _ := core.Index(true, "twitter", "tweet", "1", NewTweet("kimchy", "Search is cool"))
indices.Flush()
log.Printf("Index OK: %v", response.Ok)
searchresponse, err := core.SearchRequest(true, "twitter", "tweet", "{\"query\" : {\"term\" : { \"user\" : \"kimchy\" }}}", "", 0)
if err != nil {
log.Println("error during search:" + err.Error())
log.Fatal(err)
}
// try marshalling to tweet type
var t Tweet
json.Unmarshal(searchresponse.Hits.Hits[0].Source, t)
log.Printf("Search Found: %s", t)
response, _ = core.Get(true, "twitter", "tweet", "1")
log.Printf("Get: %v", response.Exists)
exists, _ := core.Exists(true, "twitter", "tweet", "1")
log.Printf("Exists: %v", exists)
indices.Flush()
countResponse, _ := core.Count(true, "twitter", "tweet")
log.Printf("Count: %v", countResponse.Count)
response, _ = core.Delete(true, "twitter", "tweet", "1", -1, "")
log.Printf("Delete OK: %v", response.Ok)
response, _ = core.Get(true, "twitter", "tweet", "1")
log.Printf("Get: %v", response.Exists)
healthResponse, _ := cluster.Health(true)
log.Printf("Health: %v", healthResponse.Status)
cluster.State("transient", "discovery.zen.minimum_master_nodes", 2)
}
// for testing
func main() {
flag.Parse()
log.SetFlags(log.Ltime | log.Lshortfile)
api.Domain = *eshost
core.VerboseLogging = true
response, _ := core.Index("twitter", "tweet", "1", nil, NewTweet("kimchy", "Search is cool"))
indices.Flush()
log.Printf("Index OK: %v", response.Ok)
searchresponse, err := core.SearchRequest("twitter", "tweet", nil, "{\"query\" : {\"term\" : { \"user\" : \"kimchy\" }}}")
if err != nil {
log.Println("error during search:" + err.Error())
log.Fatal(err)
}
// try marshalling to tweet type
var t Tweet
bytes, err := searchresponse.Hits.Hits[0].Source.MarshalJSON()
if err != nil {
log.Fatalf("err calling marshalJson:%v", err)
}
json.Unmarshal(bytes, t)
log.Printf("Search Found: %s", t)
response, _ = core.Get("twitter", "tweet", "1", nil)
log.Printf("Get: %v", response.Exists)
exists, _ := core.Exists("twitter", "tweet", "1", nil)
log.Printf("Exists: %v", exists)
indices.Flush()
countResponse, _ := core.Count("twitter", "tweet", nil)
log.Printf("Count: %v", countResponse.Count)
response, _ = core.Delete("twitter", "tweet", "1", map[string]interface{}{"version": -1, "routing": ""})
log.Printf("Delete OK: %v", response.Ok)
response, _ = core.Get("twitter", "tweet", "1", nil)
log.Printf("Get: %v", response.Exists)
healthResponse, _ := cluster.Health()
log.Printf("Health: %v", healthResponse.Status)
cluster.UpdateSettings("transient", "discovery.zen.minimum_master_nodes", 2)
}
func (publisher *PublisherType) PublishTopology(params ...string) error {
var localAddrs []string = params
if len(params) == 0 {
addrs, err := LocalAddrs()
if err != nil {
ERR("Getting local IP addresses fails with: %s", err)
return err
}
localAddrs = addrs
}
// delete old IP addresses
searchJson := fmt.Sprintf("{query: {term: {name: %s}}}", strconv.Quote(publisher.name))
res, err := core.SearchRequest("packetbeat-topology", "server-ip", nil, searchJson)
if err == nil {
for _, server := range res.Hits.Hits {
var top Topology
err = json.Unmarshal([]byte(*server.Source), &top)
if err != nil {
ERR("Failed to unmarshal json data: %s", err)
}
if !stringInSlice(top.Ip, localAddrs) {
res, err := core.Delete("packetbeat-topology", "server-ip" /*id*/, top.Ip, nil)
if err != nil {
ERR("Failed to delete the old IP address from packetbeat-topology")
}
if !res.Ok {
ERR("Fail to delete old topology entry")
}
}
}
}
// add new IP addresses
for _, addr := range localAddrs {
// check if the IP is already in the elasticsearch, before adding it
found, err := core.Exists("packetbeat-topology", "server-ip" /*id*/, addr, nil)
if err != nil {
ERR("core.Exists fails with: %s", err)
} else {
if !found {
res, err := core.Index("packetbeat-topology", "server-ip" /*id*/, addr, nil,
Topology{publisher.name, addr})
if err != nil {
return err
}
if !res.Ok {
ERR("Fail to add new topology entry")
}
}
}
}
DEBUG("publish", "Topology: name=%s, ips=%s", publisher.name, strings.Join(localAddrs, " "))
// initialize local topology map
publisher.TopologyMap = make(map[string]string)
return nil
}
func (d *Datastore) Has(key ds.Key) (exists bool, err error) {
id := d.KeyHash(key)
return core.Exists(false, d.Index(key), key.Type(), id)
}